174 Series Back Pressure Regulators

Precise Gas Regulation

The 174 Series is a pressure regulator designed specifically for accurate low pressure air or gas services control. Soft-seat construction and a lever actuator ensure consistent tight shut-off. Additionally, a large diaphragm area provides highly sensitive modulation at very low pressure settings.

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Selection Criteria

The 174 Series is the primary selection for control of low-pressure gas or air applications. The large diaphragm size provides high sensitivity for accurate control of low pressure flowstreams.

Key Features

The 174 Series is a self-contained single-seated regulator for pressure reducing or relief air or gas applications . A large diaphragm area provides accurate control at low pressure settings, and the lever design with elastomeric seat provides consistent tight shut-off. A flexible actuator mounting design allows the orientation to be repositioned in 90 degree increments to suit installation requirements. Plus, a bolted actuator-to-body construction allows for in-line maintenance, and the lever system enables field conversion between pressure reducing and relief operation.

Benefits

The 174 Series' large diaphragm area and lever system provide high sensitivity and accurate control of low pressure air or gas services. The flexible design also allows the actuator to be repositioned in the field to suit piping requirements and helps reduce both inventory and installation costs. Additionally, the bolted body-to-actuator design allows for in-line maintenance and repair minimizing downtime and improving process efficiency.

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